<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <meta name="1" content="1">
        <meta description="1" content="1">
        <title>test</title>
        <style>
            .one{
                font-size: 20px;
                line-height: 1.5;
            }
            .one>p {
                font-size: 50px;
            }
            .two{
                font-size: 20px;
                line-height: 150%;
            }
            .two>p {
                font-size: 50px;
            }
        </style>
    </head>
    <body>
        <div class="one">
            <p>小Z1</p>
        </div>
        <div class="two">
            <p>小Z2</p>
        </div>
        
    </body>
</html>